Question: Help me with this question QUESTION 12 Customers arrive to a rural bank on average every 10 minutes. Their arrivals follow a Poisson arrival process.
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QUESTION 12 Customers arrive to a rural bank on average every 10 minutes. Their arrivals follow a Poisson arrival process. The time taken to serve each customer may be assumed to follow an exponential distribution with a mean time of 8 minutes. Customers walt in a single queue to get the baking done and no customer leaves without service. There are 3 tellers helping customers with their various transactions.Calculate how long customers spend on average in service (not including time in the queue). Write your answer in minutes. Use two decimal points
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